<?xml version="1.0" encoding='utf-8'?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card id="card1" title="Speed of sound - Page 6 - Wikipedia">
<p>
<a accesskey="1" href="page.php?w=speed_of_sound&amp;p=5">1.Previous</a><br />
<a accesskey="3" href="page.php?w=speed_of_sound&amp;p=7">3.Next</a>
</p>
<p>is called the object's <a href="page.php?w=Mach_number">Mach number</a>. Objects moving at speeds greater than the speed of sound (<b>') are said to be traveling at <a href="page.php?w=supersonic_speed">supersonic speed</a>s.</b></p>

<p><big>History</big></p>
<p>The Pythagorean <a href="page.php?w=Archytas">Archytas</a> taught that higher pitched sound travels faster, an opinion accepted by some subsequent philosophers, such as those of the <a href="page.php?w=Platonic_Academy">Academy</a> and the <a href="page.php?w=Peripatetic_school">Peripatos</a>,</p><p>
<a accesskey="1" href="page.php?w=speed_of_sound&amp;p=5">1.Previous</a><br />
<a accesskey="3" href="page.php?w=speed_of_sound&amp;p=7">3.Next</a>
</p>

<do type="prev" label="Search">
        <go href="search.wml"/>
</do>

</card>
</wml>
